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Biotite from
Ofoud Complex, Arlit, Agadez, Niger


Locality type:Complex
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Ofoud Complex, Arlit, Agadez, Niger
Data Identifiers
Mindat Occurrence Record ID:1433021
Long-form Identifier:1:3:1433021:8
GUID (UUID V4):0
Localities for Biotite in this Region
Elabag Intrusion, Ofoud Complex, Arlit, Agadez, Niger
Nearest other occurrences of Biotite
28.0km (17.4 miles) ⓘTamgak Intrusion, Arlit, Agadez, Niger
28.1km (17.4 miles) ⓘTaguei Complex, Arlit, Agadez, Niger
50.2km (31.2 miles) ⓘAbontorok Intrusion, Arlit, Agadez, Niger
72.3km (44.9 miles) ⓘEgalah Intrusion, Arlit, Agadez, Niger
80.2km (49.8 miles) ⓘAroyan occurrence, Arlit, Agadez, Niger
84.9km (52.7 miles) ⓘIskou ring complex, Agadez, Niger
94.1km (58.5 miles) ⓘArakaou Pluton, Arlit, Agadez, Niger
References
Bowden, P., Van Breemen, O., Hutchinson, J., & Turner, D. C. (1976). Palaeozoic and Mesozoic age trends for some ring complexes in Niger and Nigeria. Nature, 259(5541), 297-299. doi.org/10.1038/259297a0
Husch, J. M., & Moreau, C. (1982). Geology and major element geochemistry of anorthositic rocks associated with Paleozoic hypabyssal ring complexes, Air massif, Niger, West Africa. Journal of Volcanology and Geothermal Research, 14(1-2), 47-66. doi.org/10.1016/0377-0273(82)90042-7
Moreau, C., Brown, W., Demaiffe, D., Dupont, P. L., & Rocci, G. (1986). Un des plus grands ring-dykes du monde: le Meugueur-Meugueur, massif de l'Aïr, République du Niger. Comptes rendus de l'Académie des sciences. Série 2, Mécanique, Physique, Chimie, Sciences de l'univers, Sciences de la Terre, 302(5), 223-226.
Moreau, C., Demaiffe, D., Bellion, Y., & Boullier, A. M. (1994). A tectonic model for the location of Palaeozoic ring complexes in Air (Niger, West Africa). Tectonophysics, 234(1-2), 129-146. doi.org/10.1016/0040-1951(94)90208-9
Moreau, C., Ohnenstetter, D., Diot, H., Demaiffe, D., Brown, W. L., Baer, G., & Heimann, A. (1995). Emplacement of the Meugueur-Meugueur cone-sheet (Niger, W. Africa), one of the world's largest igneous ring-structures. Physics and Chemistry of Dykes, 41-49.
 
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